Home / 28,454.25-39,266.96-16,518.09

Finding the Fourth Proportional to 28,454.25, 39,266.96 and 16,518.09

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Solution

The fourth proportional to 28,454.25, 39,266.96 and 16,518.09 is: 22,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.25 : 39,266.96 = 16,518.09 : x
  2. Step 2: Convert to fraction form
    28,454.25/39,266.96 = 16,518.09/x
  3. Step 3: Cross multiply
    28,454.25x = 39,266.96 × 16,518.09
  4. Step 4: Simplify right side
    28,454.25x = 648,615,179.31
  5. Step 5: Solve for x
    x = 648,615,179.31/28,454.25
  6. Step 6: Final answer
    x = 22,795.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.